Table 2.
Univariate analysis across patient characteristics.
| Parameter |
Acute stroke (n = 76) |
Stroke mimic (n = 135) |
P-value (OR, 95% CI) |
|---|---|---|---|
| Age (Years) | Median: 70 (28–93) | Median: 69 (19–91) | 0.007 |
| Sex (M:F) | 33:43 | 65:70 | 0.321 (0.75, 0.43–1.32) |
| Co-morbidities: n (%) | |||
| DM | 29 (38.16) | 54 (40) | 0.793 (0.96, 0.52–1.65) |
| A. fib | 30 (39.47) | 26 (19.26) | 0.001 (2.73, 1.46–5.12) |
| EF < 30% | 16 (21.05) | 8 (5.92) | 0.001 (4.23, 1.72–10.44) |
| Clinical scenario: n (%) | |||
| Within 6 h. of HD | 1 (1.31) | 7 (5.18) | 0.263 (0.24, 0.29–2.02) |
| Sedation | 11 (14.47) | 39 (28.89) | 0.018 (0.42, 0.19–0.87) |
| Anti-coagulation | 27 (35.53) | 27 (20) | 0.013 (2.20, 1.17–4.14) |
| Anti-platelet | 32 (42.11) | 49 (36.29) | 0.405 (1.28, 0.72–2.27) |
| Post-operative | 35 (46.05) | 39 (28.89) | 0.012 (2.10, 1.17–3.77) |
| Elevated level of care | 29 (38.16) | 41 (30.37) | 0.249 (1.42, 0.78–2.55) |
| Witnessed seizure | 1 (1.31) | 20 (14.81) | 0.002 (0.77, 0.01–0.58) |
| Symptoms: n (%) | |||
| AMS | 44 (57.89) | 90 (66.67) | 0.204 (0.68, 0.38–1.23) |
| LOC | 10 (13.16) | 25 (18.52) | 0.315 (0.67, 0.30–1.47) |
| Field-cut | 17 (22.37) | 11 (8.15) | 0.003 (3.25, 1.43–7.37) |
| Gaze deviation | 6 (7.89) | 11 (8.15) | 0.984 (0.96, 0.34–2.72) |
| Aphasia | 38 (50) | 61 (45.18) | 0.501 (1.21, 0.69–2.13) |
| Neglect | 10 (13.16) | 5 (3.70) | 0.010 (3.94, 1.29–11.9) |
| Dysarthria | 39 (51.31) | 64 (47.41) | 0.586 (1.17, 0.66–2.05) |
| Motor symptoms | 45 (59.21) | 79 (58.51) | 0.992 (1.03, 0.58–1.82) |
| Sensory symptoms | 33 (43.42) | 41 (30.37) | 0.057 (1.76, 0.98–3.15) |
| Ataxia | 5 (6.58) | 2 (1.48) | 0.101 (4.68, 0.88–24.7) |
| Facial droop | 32 (42.11) | 28 (20.74) | 0.001 (2.78, 1.50–5.15) |
| Dizziness | 5 (6.58) | 8 (5.92) | 1.000 (1.12, 0.35–3.56) |
| NIHSS | Median: 6 (0–33) | Median: 4 (0–34) | 0.062 |
| LSN | Median: 60 (1–1,140) | Median: 45 (1–1,380) | 0.092 |
AMS, altered mental status; A. fib, atrial fibrillation; CI, confidence interval; DM, diabetes mellitus; EF, ejection fraction; F, female; HD, hemodialysis; M, male; LOC, loss of consciousness; LSN, last seen normal; OR, odds ratio.